private static TemplateGroupTableRow GetTemplateGroupRow(IEnumerable <ITemplateMatchInfo> templateGroup, string language, string defaultLanguage)
{
List <string> languageForDisplay = new List <string>();
HashSet <string> uniqueLanguages = new HashSet <string>(StringComparer.OrdinalIgnoreCase);
string defaultLanguageDisplay = string.Empty;
foreach (ITemplateMatchInfo template in templateGroup)
{
string lang = template.Info.GetLanguage();
if (string.IsNullOrWhiteSpace(lang))
{
continue;
}
if (!uniqueLanguages.Add(lang))
{
continue;
}
if (string.IsNullOrEmpty(language) && string.Equals(defaultLanguage, lang, StringComparison.OrdinalIgnoreCase))
{
defaultLanguageDisplay = $"[{lang}]";
}
else
{
languageForDisplay.Add(lang);
}
}
languageForDisplay.Sort(StringComparer.OrdinalIgnoreCase);
if (!string.IsNullOrEmpty(defaultLanguageDisplay))
{
languageForDisplay.Insert(0, defaultLanguageDisplay);
}
ITemplateMatchInfo highestPrecedenceTemplate = templateGroup.OrderByDescending(x => x.Info.Precedence).First();
string shortName = highestPrecedenceTemplate.Info is IShortNameList highestWithShortNameList
? highestWithShortNameList.ShortNameList[0]
: highestPrecedenceTemplate.Info.ShortName;
TemplateGroupTableRow groupDisplayInfo = new TemplateGroupTableRow
{
Name = highestPrecedenceTemplate.Info.Name,
ShortName = shortName,
Languages = string.Join(",", languageForDisplay),
Classifications = highestPrecedenceTemplate.Info.Classifications != null?string.Join("/", highestPrecedenceTemplate.Info.Classifications) : null,
Author = highestPrecedenceTemplate.Info.Author,
Type = highestPrecedenceTemplate.Info.GetTemplateType() ?? string.Empty
};
return(groupDisplayInfo);
}
/// <summary>
/// Generates the list of template groups for table display.
/// Except where noted, the values are taken from the highest-precedence template in the group. The info could vary among the templates in the group, but shouldn't. (There is no check that the info doesn't vary.)
/// - Template Name
/// - Short Name: displays the first short name from the highest precedence template in the group.
/// - Language: All languages supported by any template in the group are displayed, with the default language in brackets, e.g.: [C#]
/// - Tags
/// - Author
/// - Type
/// </summary>
/// <param name="templateList">list of templates to be displayed</param>
/// <param name="language">language from the command input</param>
/// <param name="defaultLanguage">default language</param>
/// <returns></returns>
internal static IReadOnlyList <TemplateGroupTableRow> GetTemplateGroupsForListDisplay(IReadOnlyCollection <ITemplateMatchInfo> templateList, string language, string defaultLanguage)
{
List <TemplateGroupTableRow> templateGroupsForDisplay = new List <TemplateGroupTableRow>();
IEnumerable <IGrouping <string, ITemplateMatchInfo> > groupedTemplateList = templateList.GroupBy(x => x.Info.GroupIdentity, x => !string.IsNullOrEmpty(x.Info.GroupIdentity), StringComparer.OrdinalIgnoreCase);
foreach (IGrouping <string, ITemplateMatchInfo> grouping in groupedTemplateList)
{
List <string> languageForDisplay = new List <string>();
HashSet <string> uniqueLanguages = new HashSet <string>(StringComparer.OrdinalIgnoreCase);
string defaultLanguageDisplay = string.Empty;
foreach (ITemplateMatchInfo template in grouping)
{
string lang = template.Info.GetLanguage();
if (string.IsNullOrWhiteSpace(lang))
{
continue;
}
if (!uniqueLanguages.Add(lang))
{
continue;
}
if (string.IsNullOrEmpty(language) && string.Equals(defaultLanguage, lang, StringComparison.OrdinalIgnoreCase))
{
defaultLanguageDisplay = $"[{lang}]";
}
else
{
languageForDisplay.Add(lang);
}
}
languageForDisplay.Sort(StringComparer.OrdinalIgnoreCase);
if (!string.IsNullOrEmpty(defaultLanguageDisplay))
{
languageForDisplay.Insert(0, defaultLanguageDisplay);
}
ITemplateMatchInfo highestPrecedenceTemplate = grouping.OrderByDescending(x => x.Info.Precedence).First();
string shortName;
if (highestPrecedenceTemplate.Info is IShortNameList highestWithShortNameList)
{
shortName = highestWithShortNameList.ShortNameList[0];
}
else
{
shortName = highestPrecedenceTemplate.Info.ShortName;
}
TemplateGroupTableRow groupDisplayInfo = new TemplateGroupTableRow()
{
Name = highestPrecedenceTemplate.Info.Name,
ShortName = shortName,
Languages = string.Join(",", languageForDisplay),
Classifications = highestPrecedenceTemplate.Info.Classifications != null?string.Join("/", highestPrecedenceTemplate.Info.Classifications) : null,
Author = highestPrecedenceTemplate.Info.Author,
Type = highestPrecedenceTemplate.Info.GetTemplateType() ?? string.Empty
};
templateGroupsForDisplay.Add(groupDisplayInfo);
}
return(templateGroupsForDisplay);
}